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Individual Calculations December 2017 |
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| Peiris, T Shakya Imanjith Total change: -10.40 | |   |
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| Colombo District Youth Chess Championship 2017 Under 13 Boys (2004-2005) | Colombo | SRI | 2017-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1127 | 1096 | 0.00 | 1 | -0.46 | 40 | -18.40 | |
|  Jayawardena, Sadev Dinuja | | | 1127 | SRI | 0.00 | 1 | -0.46 | 40 | -18.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Sri Lanka Junior National Chess Championship 2017 | Colombo | SRI | 2017-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1350 | 1096 | 1.00 | 4 | 0.20 | 40 | 8.00 | |
|  Kodithuwakku, Lisara | | | 1496 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dissanayake, Kamesh Janaja | | | 1244 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Sahasra, A P Sasindu | | | 1378 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Padukka, P V Gayuru Hansana | | | 1280 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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